2890726720 has 56 divisors (see below), whose sum is σ = 7866912384. Its totient is φ = 991105536.

The previous prime is 2890726717. The next prime is 2890726723. The reversal of 2890726720 is 276270982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2890726717) and next prime (2890726723).

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890726723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643012 + ... + 647491.

Almost surely, 2^2890726720 is an apocalyptic number.

2890726720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2890726720 is an abundant number, since it is smaller than the sum of its proper divisors (4976185664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2890726720 is a wasteful number, since it uses less digits than its factorization.

2890726720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290527 (or 1290517 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 2890726720 is about 53765.4788874795. The cubic root of 2890726720 is about 1424.5215128920.

The spelling of 2890726720 in words is "two billion, eight hundred ninety million, seven hundred twenty-six thousand, seven hundred twenty".